Update to the dependency installation instructions

README.md

@@ -30,17 +30,14 @@ This is reasonable and allows any program that can run bash commands to use the
 - [sqlite3](https://sqlite.org/index.html)
 
 ### Dependencies Installation
-All dependencies should be provided by your preferred package manager. PyBind11 should be downloaded automatically from its repository along with this repository and should be located in `extern/pybind11`. Also, for now, this repository contains a copy of SQLiteCpp in `lib/SQLiteCpp-3.1.1`. PyBind11 and SQLiteCpp should be installed to your system to allow CMake to find all the required files:
+Most dependencies should be provided by your preferred package manager. PyBind11 and SQLiteCpp are included in this repository as submodules and can be easily installed with:
 ```bash
-> cd lib/SQLiteCpp-3.1.1
+> git submodule update --init --recursive
+> cd extern/pybind11
 > cmake -S . -B build
 > cmake --build build
 > sudo cmake --install build
-```
-and
-```bash
-> git submodule update --init --recursive
-> cd extern/pybind11
+> cd ../SQLiteCpp
 > cmake -S . -B build
 > cmake --build build
 > sudo cmake --install build