chore: add PyPI keywords for discoverability

Author: ServerSideHannes

pyproject.toml

@@ -2,6 +2,22 @@
 name = "s3proxy"
 version = "0.1.0"
 description = "Transparent S3 encryption proxy with AES-256-GCM"
+keywords = [
+    "s3",
+    "encryption",
+    "proxy",
+    "s3-proxy",
+    "client-side-encryption",
+    "aes-256-gcm",
+    "envelope-encryption",
+    "kubernetes",
+    "aws",
+    "minio",
+    "cloudflare-r2",
+    "byok",
+    "data-at-rest",
+    "security",
+]
 requires-python = ">=3.14"
 dependencies = [
     "fastapi>=0.109.0",