Add miniflux webhook processing with KV store, change prompt.

Also updated README detailing the changes and setup required.

Cargo.toml

@@ -1,8 +1,8 @@
 [package]
 name = "miniflux-ai"
-version = "0.1.0"
+version = "0.2.0"
 edition = "2021"
-authors = [ "zhu327" ]
+authors = ["zhu327", "thallada"]
 
 [package.metadata.release]
 release = false
@@ -20,11 +20,15 @@ codegen-units = 1
 crate-type = ["cdylib"]
 
 [dependencies]
-base64 = "0.21"
-worker = { version="0.3.4" }
-worker-macros = { version="0.3.4" }
+base64 = "0.22"
+worker = { version = "0.3.4" }
+worker-macros = { version = "0.3.4" }
 console_error_panic_hook = { version = "0.1.7" }
-reqwest = { version = "0.11", features = ["json"] }
+hex = "0.4"
+hmac = "0.12"
+reqwest = { version = "0.12", features = ["json"] }
+sha2 = "0.10"
 serde = { version = "1.0", features = ["derive"] }
 serde_json = "1.0"
-futures = "0.3"
+futures = "0.3"
+markdown = "1.0.0-alpha.20"