Refactor code to be more compliant to modern C++ standards

[rozukke]

Includes the following:

• More consistent naming and casing (excluding legacy endpoints)
• Lint using clang-tidy with included config and opportunity to enable in CI
• Switch to unique_ptr and add associated constructors
• Template parsing
• Significant memory savings by using correctly sized types

[github-actions]

Cpp-linter Review

Used clang-format v12.0.0

Click here for the full clang-format patch

diff --git a/include/mcpp/block.h b/include/mcpp/block.h
index dc9ce79..747ae11 100644
--- a/include/mcpp/block.h
+++ b/include/mcpp/block.h
@@ -17 +17 @@ public:
-  constexpr BlockType(uint8_t id = 0, uint8_t mod = 0) : id(id), mod(mod) {};
+  constexpr BlockType(uint8_t id = 0, uint8_t mod = 0) : id(id), mod(mod){};
diff --git a/src/connection.cpp b/src/connection.cpp
index d8d3368..1e049a4 100644
--- a/src/connection.cpp
+++ b/src/connection.cpp
@@ -36 +36 @@ std::string SocketConnection::resolve_hostname(const std::string& hostname) {
-  struct addrinfo hints{};
+  struct addrinfo hints {};

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