Revert "Remove unneeded submodules"

This reverts commit a5153e4bc1.

.gitmodules

@@ -4,3 +4,27 @@
 [submodule "deps/fmt"]
 	path = deps/fmt
 	url = https://github.com/fmtlib/fmt
+[submodule "deps/asio"]
+	path = deps/asio
+	url = https://github.com/chriskohlhoff/asio
+[submodule "deps/rapidjson"]
+	path = deps/rapidjson
+	url = https://github.com/Tencent/rapidjson
+[submodule "deps/toml11"]
+	path = deps/toml11
+	url = https://github.com/ToruNiina/toml11
+[submodule "deps/sentry-native"]
+	path = deps/sentry-native
+	url = https://github.com/getsentry/sentry-native
+[submodule "deps/sol2"]
+	path = deps/sol2
+	url = https://github.com/ThePhD/sol2
+[submodule "deps/libzip"]
+	path = deps/libzip
+	url = https://github.com/nih-at/libzip
+[submodule "deps/cpp-httplib"]
+	path = deps/cpp-httplib
+	url = https://github.com/yhirose/cpp-httplib
+[submodule "deps/json"]
+	path = deps/json
+	url = https://github.com/nlohmann/json