feat(script): Switch term tables to data driven design

Moved term tables to data directory as csv files and included them
in main script from there, to function as single source of truth.

02-data/supplementary/terms_inequality.csv

@@ -0,0 +1,21 @@
+General,Vertical,Horizontal
+inequality,income,identity
+barrier,Palma ratio [@DFI2023],demographic
+advantaged,Gini coefficient [@DFI2023],gender
+disadvantaged,Log deviation,colour
+discriminated,Theil,beliefs
+disparity,Atkinson,racial
+horizontal inequality,class [@Kalasa2021],ethnic
+vertical inequality,fertility [@Kalasa2021],migrant
+,bottom percentile,spatial
+,top percentile,rural
+,,urban
+,,mega-cities
+,,small cities
+,,peripheral cities
+,,age
+,,nationality
+,,ethnicity
+,,health status
+,,disability
+,,characteristics

02-data/supplementary/terms_policy.csv

@@ -0,0 +1,16 @@
+General,Institutional,Structural,Agency
+intervention,support for childcare [@Perez2022],cash benefits,credit programs [@Perez2022]
+policy,labour rights,services in kind,career guidance
+participation,minimum wage,green transition,vocational guidance [@Nevala2015]
+targeting/targeted,collective bargaining,infrastructure,vocational counselling [@Nevala2015]
+distributive,business sustainability promotion,digital infrastructure,counteracting of stereotypes
+redistributive,work-life balance promotion,quality of education,commuting subsidies [@Perez2022]
+,equal pay for work of equal value,public service improvement,housing mobility programs [@Perez2022]
+,removal of (discriminatory) law,lowering of gender segregation,encouraging re-situation/migration [@Perez2022]
+,law reformation,price stability intervention,encouraging self-advocacy [@Nevala2015]
+,social dialogue,extended social protection scheme,cognitive behavioural therapy [@Lettieri2017]
+,guaranteed income [@Perez2022],comprehensive social protection,computer-assisted therapy [@Lettieri2017]
+,universal basic income [@Perez2022],sustainable social protection,work organization [@Nevala2015]
+,provision of living wage [@Perez2022],supported employment [@Lettieri2017],special transportation [@Nevala2015]
+,maternity leave [@Chang2021],"vocational rehabilitation [@Silvaggi2020, @Lettieri2017]",collective action
+,,unionization,

02-data/supplementary/terms_wow.csv

@@ -0,0 +1,13 @@
+General,Forms of work,Labour market outcomes
+work,own-use,employment outcomes
+labour,employment,labour rights
+production of goods,unpaid trainee,equality of opportunity
+provision of services,volunteer,equality of outcome
+own-use,other work activities,labour force participation [@Pinto2021]
+use by others,wage-employed,labour force exit [@Silvaggi2020]
+of working age,self-employed,job quality [@Finlay2021]
+for pay,formal work,career advancement [@Finlay2021]
+for profit,informal work,hours worked [@Finlay2021]
+remuneration,domestic work,wage
+market transactions,care work,salary
+,unpaid work,return to work [@Silvaggi2020]