Cargo.toml: Introduce 'quick-build-application' feature

Use it like this:

  cargo build --no-default-features --features quick-build-application

It reduces dependencies to build from 154 to 125, allowing quicker iteration
when developing the app.

.github/workflows/CICD.yml

@@ -246,6 +246,13 @@ jobs:
         command: check
         args: --locked --target=${{ matrix.job.target }} --verbose --lib --no-default-features --features regex-onig,git,paging
 
+    - name: "Feature check: quick-build-application"
+      uses: actions-rs/cargo@v1
+      with:
+        use-cross: ${{ matrix.job.use-cross }}
+        command: check
+        args: --locked --target=${{ matrix.job.target }} --verbose --no-default-features --features quick-build-application
+
     - name: Create tarball
       id: package
       shell: bash