diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..98fe805
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,58 @@
+# ==========================================
+# macOS System Files
+# ==========================================
+.DS_Store
+.AppleDouble
+.LSOverride
+Icon
+._*
+.DocumentRevisions-V100
+.fseventsd
+.Spotlight-V100
+.TemporaryItems
+.Trashes
+.VolumeIcon.icns
+.com.apple.timemachine.donotpresent
+__MACOSX/
+
+# ==========================================
+# Windows System Files
+# ==========================================
+# Windows thumbnails
+Thumbs.db
+Thumbs.db:encryptable
+ehthumbs.db
+ehthumbs_vista.db
+
+# Folder config file
+Desktop.ini
+
+# Recycle Bin used on separate drives
+$RECYCLE.BIN/
+
+# Windows Installer temporary files
+*.cab
+*.msi
+*.msm
+*.msp
+
+# ==========================================
+# Linux System Files
+# ==========================================
+# Temporary files (often created by text editors like Vim)
+*~
+
+# KDE directory preferences
+.directory
+
+# Linux trash folder
+.trash
+
+# ==========================================
+# General Hidden Files
+# ==========================================
+# Ignore all hidden files/folders by default
+.*
+
+# Keep the .gitignore file itself!
+!.gitignore
diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index 1e1256a..456f97a 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -21,6 +21,45 @@ Include the packaged app as a ZIP file with the following naming convention:
 avalara-tax-v1.0.0.zip
 ```
 
+#### How to Generate the ZIP File
+
+When creating your ZIP file, it's important to exclude system files and hidden files that shouldn't be included in the archive. Use the following commands based on your operating system:
+
+##### macOS & Linux (Terminal)
+
+Both macOS and Linux use the `zip` utility. The `-x` flag is your best friend here—it tells the utility to exclude specific patterns.
+
+**The Command:**
+```bash
+zip -r my_archive.zip folder_to_zip/ -x "*.DS_Store" -x "__MACOSX/*" -x "*/.*" -x "Thumbs.db"
+```
+
+**Breakdown of the flags:**
+- `-r`: Stands for "recursive." It tells the computer to look inside every subfolder.
+- `"*.DS_Store"`: Excludes the macOS folder settings file.
+- `"__MACOSX/*"`: Prevents the creation of those annoying resource fork folders.
+- `"*/.*"`: The "nuclear option"—this excludes all hidden files (anything starting with a dot).
+- `"Thumbs.db"`: Excludes the Windows thumbnail cache.
+
+##### Windows (PowerShell)
+
+Windows doesn't have a native "exclude" flag built into its basic `Compress-Archive` command. To do this cleanly without third-party software, you have to filter the files first and then pipe them into the zip command.
+
+**The Command:**
+```powershell
+Get-ChildItem -Path ".\folder_name" -Recurse -File | Where-Object { 
+    $_.FullName -notmatch '\\\.DS_Store$' -and 
+    $_.FullName -notmatch '__MACOSX' -and 
+    $_.Name -notmatch '^\.' -and
+    $_.Name -notmatch 'Thumbs\.db'
+} | Compress-Archive -DestinationPath "my_archive.zip"
+```
+
+**How this works:**
+- `Get-ChildItem`: Grabs every file in your folder.
+- `Where-Object`: This acts as a filter. We tell it to only keep files that do not match our "junk" patterns (no .DS_Store, no __MACOSX, no files starting with a dot, and no Thumbs.db).
+- `Compress-Archive`: Takes that filtered list and zips it up.
+
 ---
 
 ### 2. `manifest.json`
diff --git a/tax/avalara-tax/avalara-tax-v0.1.3.zip b/tax/avalara-tax/avalara-tax-v0.1.3.zip
deleted file mode 100644
index 06c961d..0000000
Binary files a/tax/avalara-tax/avalara-tax-v0.1.3.zip and /dev/null differ
diff --git a/tax/avalara-tax/avalara-tax-v0.1.4.zip b/tax/avalara-tax/avalara-tax-v0.1.4.zip
new file mode 100644
index 0000000..fca7770
Binary files /dev/null and b/tax/avalara-tax/avalara-tax-v0.1.4.zip differ
diff --git a/tax/avalara-tax/manifest.json b/tax/avalara-tax/manifest.json
index 2b8186e..81d16b0 100644
--- a/tax/avalara-tax/manifest.json
+++ b/tax/avalara-tax/manifest.json
@@ -1,8 +1,9 @@
 {
   "name": "avalara-tax",
+  "displayName": "Avalara Tax",
   "domain": "tax",
   "description": "Sample Avalara tax app used for testing",
-  "version": "0.1.3",
-  "zip": "avalara-tax-v0.1.3.zip",
-  "sha256": "9cfd3ddd12cbc9f10935735467de61e366068cc5d82beab3c22bc965d7aafc53"
+  "version": "0.1.4",
+  "zip": "avalara-tax-v0.1.4.zip",
+  "sha256": "e7388f82312052991589fea07f7fbdbf6517f40b4ee33a12074f44cc34021c7e"
 }