added holepunch stuff

.binder/Dockerfile

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+FROM rocker/binder:4.0.2
+LABEL maintainer='John Franchak'
+USER root
+COPY . ${HOME}
+RUN chown -R ${NB_USER} ${HOME}
+USER ${NB_USER}
+
+
+
+RUN wget https://github.com/JohnFranchak/259-files-import/raw/master/DESCRIPTION && R -e "options(repos = list(CRAN = 'http://mran.revolutionanalytics.com/snapshot/2021-02-02/')); devtools::install_deps()"
+
+RUN rm DESCRIPTION.1; exit 0

DESCRIPTION

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+Type: Compendium
+Package: 259-files-import
+Title: Tutorial for the readr Package
+Version: 0.0.1
+Authors@R: 
+    person(given = "John",
+           family = "Franchak",
+           role = c("aut", "cre"),
+           email = "[email protected]")
+Description: Tutorial files for reading in single files in
+    R
+License: What license it uses
+Depends: 
+    holepunch,
+    janitor,
+    remotes,
+    stringr,
+    tidyverse,
+    visdat
+Remotes: 
+    karthik/holepunch
+Encoding: UTF-8
+LazyData: true

README.md

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+<!-- badges: start -->
+[![Launch Rstudio Binder](http://mybinder.org/badge_logo.svg)](https://mybinder.org/v2/gh/JohnFranchak/259-files-import/master?urlpath=rstudio)
+<!-- badges: end -->

binder_setup/binder_setup_holepunch.R

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+#remotes::install_github("karthik/holepunch")
+
+library(holepunch)
+write_compendium_description(package = "259-files-import", 
+                             description = "Tutorial files for reading in single files in R")
+# to write a description, with dependencies. Be sure to fill in placeholder text
+
+write_dockerfile(maintainer = "John Franchak") 
+# To write a Dockerfile. It will automatically pick the date of the last 
+# modified file, match it to that version of R and add it here. You can 
+# override this by passing r_date to some arbitrary date
+# (but one for which a R version exists).
+
+generate_badge() # This generates a badge for your readme.
+
+# ----------------------------------------------
+# At this time 🙌 push the code to GitHub 🙌
+# ----------------------------------------------
+
+# And click on the badge or use the function below to get the build 
+# ready ahead of time.
+build_binder()