Fixed documentation links in README.md

Author: solintllc-robert

README.md

@@ -57,7 +57,7 @@ Simultaneously, pdfcpu aims to simplify the integration of PDF processing into y
 * [change user password](https://pdfcpu.io/encrypt/change_upw)
 * [collect](https://pdfcpu.io/core/collect)
 * [config](https://pdfcpu.io/config/config)
-* [create](https://pdfcpu.io/generate/create)
+* [create](https://pdfcpu.io/create/create)
 * [crop](https://pdfcpu.io/core/crop)
 * [cut](https://pdfcpu.io/generate/cut)
 * [decrypt](https://pdfcpu.io/encrypt/decryptPDF)
@@ -77,7 +77,7 @@ Simultaneously, pdfcpu aims to simplify the integration of PDF processing into y
 * [pagelayout](https://pdfcpu.io/pagelayout/pagelayout)
 * [pagemode](https://pdfcpu.io/pagemode/pagemode)
 * [pages](https://pdfcpu.io/pages/pages)
-* [permissions](https://pdfcpu.io/encrypt/perm_add)
+* [permissions](https://pdfcpu.io/encrypt/perm_set)
 * [portfolio](https://pdfcpu.io/portfolio/portfolio)
 * [poster](https://pdfcpu.io/generate/poster)
 * [properties](https://pdfcpu.io/properties/properties)