docs: fix doc generation

Cargo.toml

@@ -1,9 +1,11 @@
 [package]
 name = "bsplines"
-version = "0.0.1-alpha.1"
+version = "0.0.1-alpha.2"
+license = "Apache-2.0"
 authors = [
     "Michael A. Heuer <decentralised.systems@gmail.com>",
 ]
+edition = "2021"
 description = "N-dimensional B-spline curves and their derivatives built on top of nalgebra"
 keywords = ["b-spline", "spline", "curve", "derivatives", "nalgebra"]
 categories = [
@@ -12,13 +14,19 @@ categories = [
     "graphics",
     "no-std",
 ]
+
+readme = "README.md"
 homepage = "https://github.com/michael-a-heuer/bsplines"
 repository = "https://github.com/michael-a-heuer/bsplines"
-readme = "README.md"
 documentation = "https://docs.rs/bsplines"
 
-edition = "2021"
-license = "Apache-2.0"
+
+[package.metadata.docs.rs]
+features = ["doc-images"]
+
+[features]
+doc-images = []
+
 
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 [lib]
@@ -39,7 +47,7 @@ enum_glob_use = "deny"
 type_complexity = "allow"
 
 [dependencies]
-embed-doc-image = "0.1.4"
+embed-doc-image = { version = "0.1.4" }
 nalgebra = "0.32.3"
 thiserror = "1.0.56"
 
@@ -51,13 +59,5 @@ plotters = "0.3.5"
 plotters-arrows = "0.1.0"
 num-traits = "0.2.17"
 
-[features]
-doc-images = []
 
-[package.metadata.docs.rs]
-rustdoc-args = [
-    "--package", "bsplines",
-    "--no-deps",
-    "--features", "doc-images",
-    "--html-in-header", "./src/docs-header.html",
-]
+