build: Use app ID with proper conventions, add contribution docs

.github/workflows/flatpak.yaml

@@ -14,8 +14,8 @@ jobs:
       - uses: actions/checkout@v3
       - uses: flatpak/flatpak-github-actions/[email protected]
         with:
-          bundle: com.pojtinger.felicitas.vintangle.flatpak
-          manifest-path: com.pojtinger.felicitas.vintangle.yaml
+          bundle: com.pojtinger.felicitas.Vintangle.flatpak
+          manifest-path: com.pojtinger.felicitas.Vintangle.yaml
           cache-key: flatpak-builder-${{ github.sha }}
       - name: Extract branch name
         id: extract_branch

README.md

@@ -23,7 +23,7 @@ It enables you to ...
 
 On Linux, Vintangle is available on Flathub:
 
-<a href="https://flathub.org/apps/details/com.pojtinger.felicitas.vintangle"><img src="https://flathub.org/assets/badges/flathub-badge-en.png" width="200"/></a>
+<a href="https://flathub.org/apps/details/com.pojtinger.felicitas.Vintangle"><img src="https://flathub.org/assets/badges/flathub-badge-en.png" alt="Flathub badge" width="200"/></a>
 
 For other platforms, see [contributing](#contributing).
 
@@ -155,7 +155,16 @@ Click on an image to see a larger version.
 
 ## Contributing
 
-🚧 This project is a work-in-progress! Instructions will be added as soon as it is usable. 🚧
+To contribute, please use the [GitHub flow](https://guides.github.com/introduction/flow/) and follow our [Code of Conduct](./CODE_OF_CONDUCT.md).
+
+To build and start a development version of Vintangle locally, run the following:
+
+```shell
+$ git clone https://github.com/pojntfx/vintangle.git
+$ cd vintangle
+$ go generate ./...
+$ go run .
+```
 
 ## License
 

com.pojtinger.felicitas.vintangle.desktop → com.pojtinger.felicitas.Vintangle.desktop

@@ -3,6 +3,6 @@ Version=1.0
 Type=Application
 Name=Vintangle
 Comment=Synchronized torrent streaming for distributed watch parties.
-Exec=com.pojtinger.felicitas.vintangle
-Icon=com.pojtinger.felicitas.vintangle
+Exec=vintangle
+Icon=com.pojtinger.felicitas.Vintangle
 Categories=AudioVideo;Video;Network

com.pojtinger.felicitas.vintangle.metainfo.xml → com.pojtinger.felicitas.Vintangle.metainfo.xml

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <component type="desktop-application">
-    <id>com.pojtinger.felicitas.vintangle</id>
+    <id>com.pojtinger.felicitas.Vintangle</id>
     <metadata_license>MIT</metadata_license>
     <project_license>AGPL-3.0-or-later</project_license>
     <name>Vintangle</name>
@@ -52,13 +52,14 @@
         </screenshot>
     </screenshots>
 
-    <launchable type="desktop-id">com.pojtinger.felicitas.vintangle.desktop</launchable>
+    <launchable type="desktop-id">com.pojtinger.felicitas.Vintangle.desktop</launchable>
 
     <url type="homepage">https://github.com/pojntfx/vintangle</url>
     <url type="bugtracker">https://github.com/pojntfx/vintangle/issues</url>
+    <url type="help">https://matrix.to/#/#vintangle:matrix.org?via=matrix.org</url>
 
     <provides>
-        <binary>com.pojtinger.felicitas.vintangle</binary>
+        <binary>vintangle</binary>
     </provides>
 
     <releases>