update release policy

DESCRIPTION

@@ -1,7 +1,7 @@
 Package: secretbase
 Type: Package
 Title: Cryptographic Hash and Extendable-Output Functions
-Version: 0.3.0
+Version: 0.3.0.9000
 Description: SHA-256, SHA-3 cryptographic hash and SHAKE256 extendable-output
     functions (XOF). The SHA-3 Secure Hash Standard was published by the
     National Institute of Standards and Technology (NIST) in 2015 at

NEWS.md

@@ -1,3 +1,5 @@
+# secretbase 0.3.0.9000 (development)
+
 # secretbase 0.3.0
 
 * Adds SHA-256 cryptographic hash algorithm.

README.Rmd

@@ -32,16 +32,16 @@ Fast and memory-efficient implementation using the core algorithms from 'Mbed TL
 
 ### Installation
 
-Install the latest release from CRAN:
+Releases are made on rOpenSci R-universe, and also CRAN:
 
-```{r cran, eval=FALSE}
-install.packages("secretbase")
+```{r runiv, eval=FALSE}
+install.packages("secretbase", repos = c("shikokuchuo.r-universe.dev", "cloud.r-project.org"))
 ```
 
-or the development version from rOpenSci R-universe:
+Install the latest development version from Github:
 
-```{r runiv, eval=FALSE}
-install.packages("secretbase", repos = "https://shikokuchuo.r-universe.dev")
+```{r github, eval=FALSE}
+remotes::install_github("shikokuchuo/secretbase")
 ```
 
 ### Quick Start

README.md

@@ -29,16 +29,16 @@ Fast and memory-efficient implementation using the core algorithms from
 
 ### Installation
 
-Install the latest release from CRAN:
+Releases are made on rOpenSci R-universe, and also CRAN:
 
 ``` r
-install.packages("secretbase")
+install.packages("secretbase", repos = c("shikokuchuo.r-universe.dev", "cloud.r-project.org"))
 ```
 
-or the development version from rOpenSci R-universe:
+Install the latest development version from Github:
 
 ``` r
-install.packages("secretbase", repos = "https://shikokuchuo.r-universe.dev")
+remotes::install_github("shikokuchuo/secretbase")
 ```
 
 ### Quick Start