chore: add CMake presets and simplify gitignore

- Add CMakePresets.json with Ninja generator configuration
- Simplify .gitignore to focus on IDE and build output directories
- Preserve build/Jamfile and build/wolfssl.jam in version control

Author: vinniefalco

.gitignore

@@ -1,25 +1,6 @@
-/bin
-/bin64
-/_build*
-temp
-
-# Emacs
-*#
-
-# Vim
-*~
-
-# Visual Studio
-/.vs
-/out
-
-# Visual Studio Code
-/.vscode
-
-# clangd
-/.cache
-/.clangd
-/compile_commands.json
-
-/.temp
-
+/.vscode/
+/build/
+!/build/Jamfile
+!/build/wolfssl.jam
+/out/
+CMakeUserPresets.json

CMakePresets.json

@@ -0,0 +1,16 @@
+{
+    "version": 8,
+    "configurePresets": [
+        {
+            "name": "Custom configure preset",
+            "displayName": "Custom configure preset",
+            "description": "Sets Ninja generator, build and install directory",
+            "generator": "Ninja",
+            "binaryDir": "${sourceDir}/out/build/${presetName}",
+            "cacheVariables": {
+                "CMAKE_BUILD_TYPE": "Debug",
+                "CMAKE_INSTALL_PREFIX": "${sourceDir}/out/install/${presetName}"
+            }
+        }
+    ]
+}