Fix Clang-Tidy warnings

.clang-tidy

@@ -1 +1 @@
-Checks:              'modernize-*,-modernize-use-nodiscard,-modernize-use-trailing-return-type,cppcoreguidelines-*,bugprone-*,-cppcoreguidelines-non-private-member-variables-in-classes,-cppcoreguidelines-avoid-magic-numbers'
+Checks:              'modernize-*,-modernize-use-nodiscard,-modernize-use-trailing-return-type,cppcoreguidelines-*,bugprone-*,-cppcoreguidelines-non-private-member-variables-in-classes,-cppcoreguidelines-avoid-magic-numbers,-cppcoreguidelines-pro-bounds-*,-readability-convert-member-functions-to-static'

lib/Board.cpp

@@ -8,8 +8,8 @@ const std::size_t COLUMNS = 28;
 enum class Cell {
     wall = 0,
     pellet = 1,
-    nothing = 2,
-    // missing 3
+    // nothing = 2,
+    // missing 3,
     power_pellet = 4,
     pen = 5,
     left_portal = 6,

lib/Canvas.cpp

@@ -1,5 +1,4 @@
 #include "Canvas.hpp"
-#include "Game.hpp"
 #include "Scaling.hpp"
 #include <fmt/format.h>
 #include <string>

lib/include/Position.hpp

@@ -6,8 +6,8 @@
 namespace pacman {
 
 struct Position {
-  double x;
-  double y;
+  double x = 0;
+  double y = 0;
 };
 
 struct GridPosition {