Update for version 1.8.0 (#6)

- Bump library version
- Bump htmx script version
- Add hx-replace-url / HX-Replace-Url
- Add hx-select-oob
- Change hx-push-url to accept a string
- Add HX-Push-Url, obsolete HX-Push
- Implement HX-Reswap header
- Rework project structure to add common project

src/Common/Common.fs

@@ -0,0 +1,28 @@
+/// Common definitions shared between attribute values and response headers
+[<AutoOpen>]
+module Giraffe.Htmx.Common
+
+/// Valid values for the `hx-swap` attribute / `HX-Reswap` header (may be combined with swap/settle/scroll/show config)
+[<RequireQualifiedAccess>]
+module HxSwap =
+    
+    /// The default, replace the inner html of the target element
+    let InnerHtml = "innerHTML"
+    
+    /// Replace the entire target element with the response
+    let OuterHtml = "outerHTML"
+    
+    /// Insert the response before the target element
+    let BeforeBegin = "beforebegin"
+    
+    /// Insert the response before the first child of the target element
+    let AfterBegin = "afterbegin"
+    
+    /// Insert the response after the last child of the target element
+    let BeforeEnd = "beforeend"
+    
+    /// Insert the response after the target element
+    let AfterEnd = "afterend"
+    
+    /// Does not append content from response (out of band items will still be processed).
+    let None = "none"