ci: switching over to using forgejo, so the gitlab config can eb removed

Added in toolchain to try and lock it down

.forgejo/workflows/push.yaml

@@ -0,0 +1,63 @@
+name: On_Push
+
+on:
+  push:
+    branches:
+      - 'main'
+    paths:
+      - flake.*
+      - src/**/*
+      - Cargo.*
+      - .forgejo/**/*
+      - rust-toolchain.toml
+
+jobs:
+  # rust code must be formatted for standardisation
+  lint_fmt:
+    # build it using teh base nixos system, helps with caching
+    runs-on: docker
+    steps:
+      # get the repo first
+      - uses: https://code.forgejo.org/actions/checkout@v4
+      - uses: https://github.com/actions-rust-lang/setup-rust-toolchain@v1
+        with:
+          components: rustfmt
+          cache: false
+      - uses: https://github.com/actions-rust-lang/rustfmt@v1
+
+  # clippy is incredibly useful for making yer code better
+  lint_clippy:
+    # build it using teh base nixos system, helps with caching
+    runs-on: docker
+    permissions:
+      checks: write
+    steps:
+      # get the repo first
+      - uses: https://code.forgejo.org/actions/checkout@v4
+      - uses: https://github.com/actions-rust-lang/setup-rust-toolchain@v1
+        with:
+          components: clippy
+          cache: false
+      - run: cargo clippy
+  
+  build:
+    # build it using teh base nixos system, helps with caching
+    runs-on: nix
+    needs: [ lint_fmt, lint_clippy ]
+    steps:
+      # get the repo first
+      - uses: https://code.forgejo.org/actions/checkout@v4
+      - name: "Build it locally"
+        run: nix build --verbose
+
+  # deploy it upstream
+  deploy:
+    # runs on teh default docker container
+    runs-on: docker
+    needs: [ build ]
+    steps:
+      - name: "Deploy to Skynet"
+        uses: https://forgejo.skynet.ie/Skynet/actions-deploy-to-skynet@v2
+        with:
+          input: 'skynet_discord_bot'
+          token: ${{ secrets.API_TOKEN_FORGEJO }}