feat: add oatpp as dependency

- Add oatpp, oatpp-swagger as deps in CMakeLists
- Add module auto-installer

utils/install-oatpp.sh

@@ -0,0 +1,44 @@
+#!/bin/bash
+
+BUILD_TYPE=$1
+
+if [ -z "$BUILD_TYPE" ]; then
+    BUILD_TYPE="Debug"
+fi
+
+rm -rf tmp
+mkdir tmp
+cd tmp
+
+function install_module () {
+    
+BUILD_TYPE=$1
+MODULE_NAME=$2
+NPROC=$(nproc)
+
+if [ -z "$NPROC" ]; then
+    NPROC = 1
+fi
+
+echo "-> [ ] Installing '$MODULE_NAME' ($BUILD_TYPE)..."
+
+git clone --depth=1 https://github.com/oatpp/$MODULE_NAME
+
+cd $MODULE_NAME
+mkdir build
+cd build
+
+cmake -DCMAKE_BUILD_TYPE=$BUILD_TYPE -DOATPP_BUILD_TESTS=OFF -DOATPP_SQLITE_AMALGAMATION=ON ..
+make install -j $NPROC
+
+cd ../..
+
+echo "-> [x] Module '$MODULE_NAME' installed!"
+
+}
+
+install_module $BUILD_TYPE oatpp
+install_module $BUILD_TYPE oatpp-swagger
+
+cd ..
+rm -rf tmp