feat(kitchenowl): Add OIDC providers (#16748)

**Description**

Added OIDC providers based on this page (since it has to be done on the
backend) -> https://docs.kitchenowl.org/self-hosting/oidc/

⚒️ Fixes  #16699 

**⚙️ Type of change**

- [X] ⚙️ Feature/App addition
- [ ] 🪛 Bugfix
- [ ] ⚠️ Breaking change (fix or feature that would cause existing
functionality to not work as expected)
- [ ] 🔃 Refactor of current code

**🧪 How Has This Been Tested?**
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**📃 Notes:**
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**✔️ Checklist:**

- [ ] ⚖️ My code follows the style guidelines of this project
- [ ] 👀 I have performed a self-review of my own code
- [ ] #️⃣ I have commented my code, particularly in hard-to-understand
areas
- [ ] 📄 I have made corresponding changes to the documentation
- [ ] ⚠️ My changes generate no new warnings
- [ ] 🧪 I have added tests to this description that prove my fix is
effective or that my feature works
- [ ] ⬆️ I increased versions for any altered app according to semantic
versioning

**➕ App addition**

If this PR is an app addition please make sure you have done the
following.

- [ ] 🪞 I have opened a PR on
[truecharts/containers](https://github.com/truecharts/containers) adding
the container to TrueCharts mirror repo.
- [ ] 🖼️ I have added an icon in the Chart's root directory called
`icon.png`

---

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---------

Signed-off-by: StevenMcElligott <89483932+StevenMcElligott@users.noreply.github.com>
Signed-off-by: Stavros Kois <47820033+stavros-k@users.noreply.github.com>
Co-authored-by: Stavros Kois <47820033+stavros-k@users.noreply.github.com>

charts/stable/kitchenowl/Chart.yaml

@@ -1,7 +1,7 @@
 kubeVersion: ">=1.24.0-0"
 apiVersion: v2
 name: kitchenowl
-version: 8.1.5
+version: 8.2.0
 appVersion: latest
 description: KitchenOwl is a smart self-hosted grocery list and recipe manager.
 home: https://truecharts.org/charts/stable/kitchenowl

charts/stable/kitchenowl/questions.yaml

@@ -23,6 +23,48 @@ questions:
                                           type: string
                                           required: true
                                           default: ""
+                                      - variable: OIDC_ISSUER
+                                        label: "OIDC Issuer"
+                                        description: "See https://docs.kitchenowl.org/self-hosting/oidc/"
+                                        schema:
+                                          type: string
+                                          default: ""
+                                      - variable: OIDC_CLIENT_ID
+                                        label: "OIDC Client ID"
+                                        description: "See https://docs.kitchenowl.org/self-hosting/oidc/"
+                                        schema:
+                                          type: string
+                                          default: ""
+                                      - variable: OIDC_CLIENT_SECRET
+                                        label: "OIDC Client Secret"
+                                        description: "See https://docs.kitchenowl.org/self-hosting/oidc/"
+                                        schema:
+                                          type: string
+                                          default: ""
+                                      - variable: APPLE_CLIENT_ID
+                                        label: "Apple Client ID"
+                                        description: "See https://docs.kitchenowl.org/self-hosting/oidc/"
+                                        schema:
+                                          type: string
+                                          default: ""
+                                      - variable: APPLE_CLIENT_SECRET
+                                        label: "Apple Client Secret"
+                                        description: "See https://docs.kitchenowl.org/self-hosting/oidc/"
+                                        schema:
+                                          type: string
+                                          default: ""
+                                      - variable: GOOGLE_CLIENT_ID
+                                        label: "Google Client ID"
+                                        description: "See https://docs.kitchenowl.org/self-hosting/oidc/"
+                                        schema:
+                                          type: string
+                                          default: ""
+                                      - variable: GOOGLE_CLIENT_SECRET
+                                        label: "Google Client Secret"
+                                        description: "See https://docs.kitchenowl.org/self-hosting/oidc/"
+                                        schema:
+                                          type: string
+                                          default: ""
 # Include{containerBasic}
 # Include{containerAdvanced}
 # Include{containerConfig}

charts/stable/kitchenowl/values.yaml

@@ -82,6 +82,13 @@ workload:
           imageSelector: backendImage
           env:
             FRONT_URL: "{{ .Values.workload.main.podSpec.containers.main.env.FRONT_URL }}"
+            OIDC_ISSUER: ""
+            OIDC_CLIENT_ID: ""
+            OIDC_CLIENT_SECRET: ""
+            APPLE_CLIENT_ID: ""
+            APPLE_CLIENT_SECRET: ""
+            GOOGLE_CLIENT_ID: ""
+            GOOGLE_CLIENT_SECRET: ""
             # Changed port to 10248 to avoid conflict with frontend
             HTTP_PORT: "10248"
             JWT_SECRET_KEY: