Added support config files.

.gitignore

@@ -2,8 +2,5 @@
 /.vscode
 .DS_Store
 *.nupkg
-dist
-build
-node_modules
-.idea
-package-lock.json
+/build
+/node_modules

.npmignore

@@ -0,0 +1,19 @@
+/.github
+/.vscode
+/test
+/build
+CODE_OF_CONDUCT.md
+CONTRIBUTING.md
+jsontree.js.nuspec
+PACK.sh
+PUBLISH.sh
+README_NUGET.md
+SECURITY.md
+SERVE.sh
+package-lock.json
+tsconfig.json
+tsup.build.config.ts
+tsup.build.esm.config.ts
+tsup.build.min.config.ts
+BUILD_INSTRUCTIONS.md
+*.nupkg

BUILD_INSTRUCTIONS.md

@@ -0,0 +1,83 @@
+# Building JsonTree.js
+
+Before getting started with JsonTree.js, please read through the following instructions:
+
+
+## Step 1: Install Packages:
+
+Install the packages using the following NPM commands:
+
+### 1. Install TypeScript:
+
+```markdown
+npm install -g typescript
+```
+
+### 2. Install tsup:
+
+```markdown
+npm i tsup -D
+```
+
+### 3. Install terser:
+
+```markdown
+npm install terser -D
+```
+
+### 4. Install swc/core (if ES5 is required):
+
+```markdown
+npm install @swc/core -D
+```
+
+
+## Step 2: Build Project:
+
+### 1. Full Build:
+
+To build the TypeScript, run the following command:
+
+```markdown
+npm run build-typescript
+```
+
+To build the SASS, run the following command:
+
+```markdown
+npm run build-sass
+```
+
+To build the everything, run the following command:
+
+```markdown
+npm run build
+```
+
+### 2. Minimized Build:
+
+To build the TypeScript, run the following command:
+
+```markdown
+npm run build-minimized-typescript
+```
+
+To build the SASS, run the following command:
+
+```markdown
+npm run build-minimized-sass
+```
+
+To build the everything, run the following command:
+
+```markdown
+npm run build-minimized
+```
+
+### 3. ESM Build:
+
+To build the TypeScript, run the following command:
+
+```markdown
+npm run build-typescript-esm
+```