Add nightly builds (#1013)

Partially fixes #884.
Adds:
- Docker image for CI on Linux
- Nightly builds without cache and releases
- Nightly clang-tidy checks
- Fix typos in .clang-tidy

.github/actions/prepare_runner/action.yml

@@ -0,0 +1,73 @@
+name: Prepare runner
+description: Install packages, set environment variables, create directories
+inputs:
+  disable_ccache:
+    description: Whether ccache should be disabled
+    required: true
+runs:
+  using: composite
+  steps:
+    - name: Install packages on mac
+      if: ${{ runner.os == 'macOS' }}
+      shell: bash
+      run: |
+          brew install llvm@14 pkg-config ninja bison cmake ccache jq gh
+
+    - name: Install packages on linux
+      if: ${{ runner.os == 'Linux' }}
+      shell: bash
+      run: |
+          echo 'deb http://apt.llvm.org/focal/ llvm-toolchain-focal-17 main' >> /etc/apt/sources.list
+          wget -O - https://apt.llvm.org/llvm-snapshot.gpg.key | apt-key add -
+          apt update -qq
+          apt install -y jq clang-tidy-17 clang-tools-17
+
+    - name: Install gh on Linux
+      if: ${{ runner.os == 'Linux' }}
+      shell: bash
+      run: |
+        wget https://github.com/cli/cli/releases/download/v2.40.0/gh_2.40.0_linux_amd64.tar.gz
+        tar xf gh_2.40.0_linux_amd64.tar.gz
+        sudo mv gh_2.40.0_linux_amd64/bin/gh /usr/bin/gh
+        rm -r gh_2.40.0_linux_amd64*
+
+    - name: Install ccache on Linux
+      if: ${{ runner.os == 'Linux' && inputs.disable_ccache != 'true' }}
+      shell: bash
+      run: |
+          wget https://github.com/ccache/ccache/releases/download/v4.8.3/ccache-4.8.3-linux-x86_64.tar.xz
+          tar xf ./ccache-4.8.3-linux-x86_64.tar.xz
+          mv ./ccache-4.8.3-linux-x86_64/ccache /usr/bin/ccache
+
+    - name: Fix git permissions on Linux
+      if: ${{ runner.os == 'Linux' }}
+      shell: bash
+      run: git config --global --add safe.directory $PWD
+
+    - name: Set env variables for macOS
+      if: ${{ runner.os == 'macOS' }}
+      shell: bash
+      run: |
+        echo "CCACHE_DIR=${{ github.workspace }}/.ccache" >> $GITHUB_ENV
+        echo "CONAN_USER_HOME=${{ github.workspace }}" >> $GITHUB_ENV
+
+    - name: Set env variables for Linux
+      if: ${{ runner.os == 'Linux' }}
+      shell: bash
+      run: |
+        echo "CCACHE_DIR=/root/.ccache" >> $GITHUB_ENV
+        echo "CONAN_USER_HOME=/root/" >> $GITHUB_ENV
+
+    - name: Set CCACHE_DISABLE=1
+      if: ${{ inputs.disable_ccache == 'true' }}
+      shell: bash
+      run: |
+        echo "CCACHE_DISABLE=1" >> $GITHUB_ENV
+
+    - name: Create directories
+      shell: bash
+      run: |
+        mkdir -p $CCACHE_DIR
+        mkdir -p $CONAN_USER_HOME/.conan
+
+