docs(release): bump displayed version to 0.12.0 (site + install snippets)

README.md

@@ -214,8 +214,8 @@ Expressions in `WHERE` and `UPDATE`'s `SET` RHS:
 
 ```toml
 [dependencies]
-sqlrite-engine = "0.11"
-sqlrite-ask    = "0.11"
+sqlrite-engine = "0.12"
+sqlrite-ask    = "0.12"
 ```
 
 ```rust

docs/ask.md

@@ -131,8 +131,8 @@ If `SQLRITE_LLM_API_KEY` is missing, the panel surfaces a clean "missing API key
 
 ```toml
 [dependencies]
-sqlrite-engine = "0.11"
-sqlrite-ask    = "0.11"
+sqlrite-engine = "0.12"
+sqlrite-ask    = "0.12"
 ```
 
 ```rust

docs/embedding.md

@@ -153,8 +153,8 @@ The retryable-error branch is the headline new flow: pick a backoff policy that
 [dependencies]
 # `ask` is a default feature on sqlrite-engine; opt out with
 # default-features = false if you don't want the LLM stack pulled in.
-sqlrite-engine = "0.11"
-sqlrite-ask    = "0.11"
+sqlrite-engine = "0.12"
+sqlrite-ask    = "0.12"
 ```
 
 ```rust

web/src/lib/site.ts

@@ -1,7 +1,7 @@
 export const SITE = {
   url: "https://sqlritedb.com",
   twitterHandle: "@CodePolyglot",
-  version: "0.11.0",
+  version: "0.12.0",
   repo: "https://github.com/joaoh82/rust_sqlite",
   discord: "https://discord.gg/dHPmw89zAE",
   docsRs: "https://docs.rs/sqlrite-engine",