Prepare v0.1.0 release (#26)

* Remove devcontainer config.

* Rename RStudio project file.

* Add a NEWS.md file.

Author: MHenderson

.devcontainer/Dockerfile

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+# greedy-maximal-room-squares (development version)
+
+# greedy-maximal-room-squares (v0.1.0)
+
+* Reproduce Table 1 from Meszka and Rosa (2021) up to n = 80, giving the volume of maximal partial Room squares constructed by greedy1 and greedy2.
+* A targets pipeline with two PNG outputs, a plot and a table, giving volumes for greedy1 and greedy2 for n = 2 to n = 80.
+* greedy1 and greedy2 based on the Room class from the wallis package.
+* Using ggplot2 3.5.1 for plots and flextable 0.9.6 for tables.
+* Tested on Ubuntu 20.04.6 LTS (Focal Fossa) with R 4.4.1, renv 1.0.7, targets 1.7.1, wallis 0.0.0.9007