- Separated Platform and Compiler Dependent Behaviour into CMake scripts

- Implemented Basic Platform Interfaces
 - Implemented partial Linux platform and Wayland Display.
 - Implemented Dependencies for the above
   - map
     - set
       - optional
     - pair

TODO: threading

include/fennec/fproc/strings/string.h

@@ -99,7 +99,8 @@ public:
 	/// \details adds additional character for null termination. Ignores whether str is null-terminated.
 	///          This constructor makes the assumption that `n` is the intended number of characters.
 	constexpr _string(const char* str, size_t n)
-		: _str(str, n + 1) {
+		: _str(n + 1) {
+		fennec::memcpy(_str.data(), str, n);
 		_str[n] = '\0';
 	}
 
@@ -318,7 +319,7 @@ public:
 	constexpr void resize(size_t n) {
 		size_t i = size();
 		_str.reallocate(n + 1);
-		if (n > i) fennec::memset(_str.data() + i, '\0', n - i);
+		if (n > i) fennec::memset(_str.data() + i, '\0', n + 1 - i);
 	}
 
 	///
@@ -387,6 +388,10 @@ public:
 		return res;
 	}
 
+	friend constexpr _string operator+(char c, _string& str) {
+		return _string(c, 1) + str;
+	}
+
 	constexpr _string operator+(const cstring& str) const {
 		_string res(size() + str.size()); // Make a new string with the size of this + str
 		fennec::memcpy(&res[0], _str.data(), size()); // Copy the contents of this